AS19957
AT&T Corp.
AS 19957 TENNESSEE-NET
Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.
| ASN | 19957 |
|---|---|
| Name | TENNESSEE-NET |
| Organization | AT&T Corp. |
| Country | United States |
| Registry | ARIN |
IPv4 Prefixes for AS19957
| Network | Location | Addresses | |
|---|---|---|---|
| 12.204.192.0/21 | AT&T Services |  Nashville (Downtown) |
2,048 |
| 12.204.206.0/24 | AT&T Services | Nashville (Downtown) |
256 |
| 128.169.0.0/16 | The University of Tennessee, Memphis | Knoxville |
65,536 |
| 132.192.0.0/16 | The University of Tennessee, Memphis | Memphis (Midtown) |
65,536 |
| 170.141.56.0/23 | AT&T Corp. | Brentwood |
512 |
| 170.141.58.0/24 | AT&T Corp. | Brentwood |
256 |
| 170.142.0.0/16 | State of Tennessee | Brentwood |
65,536 |
| 170.143.0.0/16 | State of Tennessee | Brentwood |
65,536 |
| 208.182.0.0/16 | AT&T Corp. | Nashville (Downtown) |
65,536 |
| 208.63.128.0/24 | BellSouth.net Inc. | Nashville |
256 |
| 66.4.0.0/16 | AT&T Corp. | Nashville (Downtown) |
65,536 |
| 66.5.0.0/16 | AT&T Corp. | Nashville (Downtown) |
65,536 |
| 70.150.21.0/24 | AT&T Corp. | Knoxville |
256 |
| 72.158.184.0/24 | AT&T Corp | Nashville |
256 |